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Record Information
Version2.0
Created at2022-09-04 03:42:38 UTC
Updated at2022-09-04 03:42:38 UTC
NP-MRD IDNP0187521
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2s,4r)-4-ethenyl-2-(2-hydroxypropan-2-yl)-7-methyl-3,4-dihydro-2h-1-benzopyran-6-ol
DescriptionHeliannuol K belongs to the class of organic compounds known as 1-benzopyrans. These are organic aromatic compounds that 1-benzopyran, a bicyclic compound made up of a benzene ring fused to a pyran, so that the oxygen atom is at the 1-position. (2s,4r)-4-ethenyl-2-(2-hydroxypropan-2-yl)-7-methyl-3,4-dihydro-2h-1-benzopyran-6-ol is found in Helianthus annuus. (2s,4r)-4-ethenyl-2-(2-hydroxypropan-2-yl)-7-methyl-3,4-dihydro-2h-1-benzopyran-6-ol was first documented in 2021 (PMID: 34373880). Based on a literature review very few articles have been published on Heliannuol K.
Structure
Thumb
SynonymsNot Available
Chemical FormulaC15H20O3
Average Mass248.3220 Da
Monoisotopic Mass248.14124 Da
IUPAC Name(2S,4R)-4-ethenyl-2-(2-hydroxypropan-2-yl)-7-methyl-3,4-dihydro-2H-1-benzopyran-6-ol
Traditional Name(2S,4R)-4-ethenyl-2-(2-hydroxypropan-2-yl)-7-methyl-3,4-dihydro-2H-1-benzopyran-6-ol
CAS Registry NumberNot Available
SMILES
CC1=C(O)C=C2[C@H](C[C@H](OC2=C1)C(C)(C)O)C=C
InChI Identifier
InChI=1S/C15H20O3/c1-5-10-7-14(15(3,4)17)18-13-6-9(2)12(16)8-11(10)13/h5-6,8,10,14,16-17H,1,7H2,2-4H3/t10-,14-/m0/s1
InChI KeyUSPLMZMYYNDHOT-HZMBPMFUSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Helianthus annuusLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 1-benzopyrans. These are organic aromatic compounds that 1-benzopyran, a bicyclic compound made up of a benzene ring fused to a pyran, so that the oxygen atom is at the 1-position.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzopyrans
Sub Class1-benzopyrans
Direct Parent1-benzopyrans
Alternative Parents
Substituents
  • 1-benzopyran
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Benzenoid
  • Tertiary alcohol
  • Oxacycle
  • Ether
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP3ChemAxon
pKa (Strongest Acidic)10.19ChemAxon
pKa (Strongest Basic)-3.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area49.69 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity71.67 m³·mol⁻¹ChemAxon
Polarizability27.8 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00049723
Chemspider ID9486197
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound11311229
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. St Onge B, Green JR: The formation of benzoxacin-3-ones via intramolecular Nicholas reactions and synthesis of 8-membered heliannuols. Org Biomol Chem. 2021 Sep 7;19(33):7152-7155. doi: 10.1039/d1ob01395e. Epub 2021 Aug 10. [PubMed:34373880 ]
  2. LOTUS database [Link]